Satellites (P5)

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  • Created by: caits
  • Created on: 13-04-14 18:15

Uses of satellites:

  • Telecommunications
  • Weather prediction
  • Military uses
  • Satellite Navigation systems
  • Scientific research

What keeps a satellite in orbit:

Satellites are kept in orbit by gravity

Inverse Square Law:

The amount of gravity attracting an object decreases the further out the object is

Sun <----> Earth (F)

Sun <--------> Earth (F/4)

If you double the distance the gravitational force divides by four

Gravitational force between ogjects depends on their mass and distance between them

At three times the distance the gravity has a ninth of its strength

Gravitational force is inversely proportional to the square of the…


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